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LifeSciencesModelQuestions(MCQ)004

ModelQuestionPaper

Biochemistry:CarbohydratesPart3(MCQ)

1. Whichofthefollowingisanexampleforatrisaccharide?a. Verbascoseb. Stachyosec. Raffinosed. Sucralose

2. Chrysolaminarinis________.a. Astoragepolysaccharideofgreenalgaeb. Astoragepolysaccharideofbrownalgaec. Astoragepolysaccharideofredalgaed. Astoragepolysaccharideofdiatoms

3. Whichofthefollowingisanexampleforanartificialsweetenerofsaccharideorigin?a. Sucraloseb. Saccharinc. Stachyosed. Allofthese

4. Inachemicalreaction‘X’isabletoconvertCu2+ionstoCu+ions.If‘X’isacarbohydrate,whichofthefollowingbestexplainstobethe‘X’?

a. ‘X’isareducingsugarb. ‘X’isanon‐reducingsugarc. ‘X’isamonosaccharided. Both(a)and(b)e. Both(b)and(c)

5. Whichofthefollowingisareducingsugar?a. Glucoseinclosedringformb. Glucoseinopenchainformc. Sucrose

6. D‐glucosereactswithmolecularoxygen(O2)inthepresenceoftheenzymeglucoseoxidasetoformD‐glucono‐δ‐lactoneand___________.

a. H2Owww.easy

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b. H2O2c. H2d. O3

7. Mostprominentcarbohydratecomponentofhemicelluloseisa. Pectinb. Arabinosec. Arabinoxyland. Suberin

8. Whichofthefollowingisanexampleforheteropolysaccharide?a. Hyaluronicacidb. Gelatinc. Glycogend. Both(a)and(b)

9. Glucoseonoxidationwithbrominewaterformsa. Glucuronicacidb. Glucosaccharicacidc. Gluconicacidd. Mannose

10. Dextrinisabranchedbacterialhomopolysaccharideof________linkedD‐glucosewith______branches.

a. α‐1–6andα‐1–3b. β‐1–6andβ‐1–3c. β‐1–6andα‐1–3d. α‐1–6andβ‐1–3

11. Laminarinis_____a. Astoragepolysaccharideofredalgaeb. Astoragepolysaccharideofbrownalgaec. Astructuralpolysaccharideofredalgaed. Astructuralpolysaccharideofbrownalgae

12. Whichofthefollowingstatementsaretrueaboutagarose?A.ItisabranchedpolysaccharideB.ItisalinearpolysaccharideC.ItismadeupofarabinoseD.AgaroseisoneoftheprincipalcomponentsofagarE.Agarisobtainedfromgreenalgae

a. A,BandCb. B,CandDc. C,DandEwww.ea

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d. D,EandA13. Caramelizationofsucroseyields

a. Glucoseb. Fructosec. GlucoseandFructosed. Charcoal

14. WhichofthefollowingreactioniscalledMaillardreaction”a. Reactionbetweenaminogroupandhydroxylgroupb. Reactionbetweenaminogroupandketogroupc. Reactionbetweenaminogroupandaldehydegroupd. Reactionbetweenaminogroupandcarboxylicgroup

15. Bial’stestisusedtodetectthepresenceof_____a. Trioseb. Tetrosec. Pentosed. Hexose

16. Whichofthefollowinganimalpossesscellulose?a. Coelenteratesb. Spongesc. Tunicatesd. Protozoans

17. Glucoseresiduesinamylosearelinkedbya. α1–4b. β1–4c. α1–6d. β1–6

18. Chitinisa_______a. HomopolysaccharideofNacetylglucosamineb. HeteropolysaccharideofNacetylglucosamineandNacetylmuramicacidc. Acomplexpolymerofmanysugarsd. AbranchedhomopolysaccharideofNacetylglucosamine

19. Thebranchpointsofamylopectinareconnectedbya. α1–4b. β1–4c. α1–6d. β1–6

20. Whichofthefollowingisanexampleforhomopolysaccharide?a. Cellulosewww.ea

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b. Starchc. Glycogend. Allofthese

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